Stone-cutting tool.



I. HOPE.

STONE CUTTING TOOL.

APPLICATION FILED MAY 14, I918.

1,282,%24, Patented Oct. 22, 1918.

9 1m I a IN VE N T0 U019 Hfl/ E JOHN HOPE, OF GLASGOW, SCOTLAND.

STONE-CUTTING TOOL.

Specification of Letters Patent.

Patented Oct. 22, 1918.

Application filed May 14, 1918. Serial No. 234,478.

To all whom it may concern:

Be it known that I, JOHN Horn, a subj ect of the King of the UnitedKingdom of Great Britain and Ireland, and residing at Glasgow, Scotland,have invented a certain new and useful Improvement in Stone-CuttingTools, of which the following is a specification.

This invention relates to improvements in stone-cutting tools forcutting emery and other stones.

According to the invention, the journals for the cutting wheel or Wheelshave bearings in removable plugs fitted to vertically disposed socketsin the tool head and adapted to be locked in position by means movablewith a covering member adjustable relatively to the tool head.

The invention is illustrated in the accompanying drawings in whichFigure l is a plan of the complete tool, part of the cover being brokenaway. Fig. 2 is a side elevation and Fig. 3 an end elevation of the toolhead. Fig. 4L is a section through the tool parallel to the handle, andFig. 5 is a cross section.

As shown the journals 4: of the cutters 5 are mounted in plugs 6slidable into sockets in the tool head A whichis formed with a notchbetween the sockets to accommodate the cutters.

Extending from one socket to the other is a slot 7 so that the cutters,journals and plugs may be fitted into place simultaneously.

8 denotes an adjustable cover whose enclwise travel is limited by pins 9entering slots 10 in the cover.

The cover 8 carries light rods or wires 11 movable in perforations inthe tool head and engageable in transverse porforations or recesses inthe plugs 6 so as to lock the plugs 6 in place.

What I claim is In a stone-cutting tool, the combination with a toolhead having a notch, and provided with vertical sockets one on each sideof the notch, plugs removably fitted to said sockets,

a cutter accommodated in said notch with journals having bearings insaid plugs, an adjustable cover, and means carried by said cover servingto lock said plugs in position.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

JOHN HOPE.

Witnesses:

HENRY MASON, ANNE R. WATT.

Copies of this patent may be obtained for five cents each, by addressingthe "Commissioner of Patents. Washington, D. G.

